Illinois Administrative Code
Title 35 - ENVIRONMENTAL PROTECTION
Part 502 - PERMITS
Subpart A - PERMITS REQUIRED
Section 502.104 - Medium CAFOs
Current through Register Vol. 48, No. 38, September 20, 2024
a) An Animal Feeding Operation is defined as a Medium CAFO if the following numbers of animals specified in any of the following categories are stabled or confined and subsection (b), (c) or (d) is met:
Number of Animals |
Kind of Animals |
200 to 699 |
Mature dairy cows, whether milked or dry |
300 to 999 |
Veal calves |
300 to 999 |
Cattle other than mature dairy cows or veal calves. Cattle includes heifers, steers, bulls, and cow/calf pairs. |
750 to 2,499 |
Swine, each weighing 55 pounds or more |
3,000 to 9,999 |
Swine, each weighing less than 55 pounds |
150 to 499 |
Horses |
3,000 to 9,999 |
Sheep or lambs |
16,500 to 54,999 |
Turkeys |
9,000 to 29,999 |
Laying hens or broilers, if the Animal Feeding Operation uses a liquid manure handling system |
37,500 to 124,999 |
Chickens (other than laying hens), if the Animal Feeding Operation uses other than a liquid manure handling system |
25,000 to 81,999 |
Laying hens, if the Animal Feeding Operation uses other than a liquid manure handling system |
10,000 to 29,999 |
Ducks, if the Animal Feeding Operation uses other than a liquid manure handling system |
1,500 to 4,999 |
Ducks, if the Animal Feeding Operation uses a liquid manure handling system |
b) Pollutants are discharged into the waters of the United States through a human-made ditch, flushing system, or similar human-made device;
c) Pollutants are discharged directly into the waters of the United States that originate outside of and pass over, across, through, or otherwise come into direct contact with the animals confined in the operation; or
d) The Agency designates the Animal Feeding Operation as a CAFO under Section 502.106.